Anthropogenic disturbance and spatial heterogeneity of macrobenthic invertebrate assemblages in coastal lagoons: the study case of Pialassa Baiona (northern Adriatic Sea)

Table 5 Correlations among measured environmental variables

	Depth	Sand	LOI	RPD	Spw	Ts	Hg	Dc	Ds
Sand	−0.04
LOI	−0.04	−0.43**
RPD	−0.35*	−0.24	−0.03
Spw	−0.30	−0.15	−0.07	0.37*
Ts	−0.29	−0.27	0.43**	−0.11	−0.18
Hg	0.16	−0.20	0.43**	−0.32*	−0.44**	0.62**
Dc	0.44**	0.32*	0.07	−0.12	−0.19	−0.26	0.08
Ds	0.42**	0.35*	−0.43**	0.04	0.08	−0.83**	−0.53**	0.64**
Fm ^a	0.47*	−0.44	0.21	0.13	−0.18	−0.45*	−0.10	−0.03	0.24

LOI organic carbon as loss of weight on ignition; RPD apparent redox potential discontinuity, Spw pore water, Ts water surface temperature, Hg total mercury, Dc distance from the confluence point, Ds distance from the main sewage input, Fm mean water flow speed
* P < 0.05; ** P < 0.01
^aAvailable only for sampling site located in the channels

ISSN: 1438-3888